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2008-03-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Backport from upstream Libtool:
2007-10-12 Eric Blake <ebb9@byu.net>
Deal with Autoconf 2.62's semantic change in m4_append.
* ltsugar.m4 (lt_append): Replace broken versions of
m4_append.
(lt_if_append_uniq): Don't require separator to be overquoted, and
avoid broken m4_append.
(lt_dict_add): Fix typo.
* libtool.m4 (_LT_DECL): Don't overquote separator.
--- a/libtool.m4
+++ b/libtool.m4
@@ -319,7 +319,7 @@ m4_bpatsubst([m4_bpatsubst([$1], [^ *],
# VALUE may be 0, 1 or 2 for a computed quote escaped value based on
# VARNAME. Any other value will be used directly.
m4_define([_LT_DECL],
-[lt_if_append_uniq([lt_decl_varnames], [$2], [[, ]],
+[lt_if_append_uniq([lt_decl_varnames], [$2], [, ],
[lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name],
[m4_ifval([$1], [$1], [$2])])
lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3])
--- a/ltsugar.m4
+++ b/ltsugar.m4
@@ -1,13 +1,13 @@
# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*-
#
-# Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
# Written by Gary V. Vaughan.
#
# This file is free software; the Free Software Foundation gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
-# serial 3 ltsugar.m4
+# serial 4 ltsugar.m4
# This is to help aclocal find these macros, as it can't see m4_define.
AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])])
@@ -46,6 +46,20 @@ m4_define([lt_cdr],
m4_define([lt_unquote], $1)
+# lt_append(MACRO-NAME, STRING, [SEPARATOR])
+# ------------------------------------------
+# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'.
+# Note that neither SEPARATOR nor STRING are expanded. No SEPARATOR is
+# output if MACRO-NAME was previously undefined (different than defined
+# and empty).
+# This macro is needed until we can rely on Autoconf 2.62, since earlier
+# versions of m4 mistakenly expanded SEPARATOR.
+m4_define([lt_append],
+[m4_define([$1],
+ m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
+
+
+
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
@@ -67,10 +81,10 @@ m4_define([lt_combine],
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
- [m4_bmatch($3[]m4_defn([$1])$3, $3[]m4_re_escape([$2])$3,
- [$5],
- [m4_append([$1], [$2], [$3])$4])],
- [m4_append([$1], [$2], [$3])$4])])
+ [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
+ [lt_append([$1], [$2], [$3])$4],
+ [$5])],
+ [lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)
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